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Simplifying x2 + -31.25x + 244.140625 = 242.890625 Reorder the terms: 244.140625 + -31.25x + x2 = 242.890625 Solving 244.140625 + -31.25x + x2 = 242.890625 Solving for variable 'x'. Reorder the terms: 244.140625 + -242.890625 + -31.25x + x2 = 242.890625 + -242.890625 Combine like terms: 244.140625 + -242.890625 = 1.25 1.25 + -31.25x + x2 = 242.890625 + -242.890625 Combine like terms: 242.890625 + -242.890625 = 0.000000 1.25 + -31.25x + x2 = 0.000000 Begin completing the square. Move the constant term to the right: Add '-1.25' to each side of the equation. 1.25 + -31.25x + -1.25 + x2 = 0.000000 + -1.25 Reorder the terms: 1.25 + -1.25 + -31.25x + x2 = 0.000000 + -1.25 Combine like terms: 1.25 + -1.25 = 0.00 0.00 + -31.25x + x2 = 0.000000 + -1.25 -31.25x + x2 = 0.000000 + -1.25 Combine like terms: 0.000000 + -1.25 = -1.25 -31.25x + x2 = -1.25 The x term is -31.25x. Take half its coefficient (-15.625). Square it (244.140625) and add it to both sides. Add '244.140625' to each side of the equation. -31.25x + 244.140625 + x2 = -1.25 + 244.140625 Reorder the terms: 244.140625 + -31.25x + x2 = -1.25 + 244.140625 Combine like terms: -1.25 + 244.140625 = 242.890625 244.140625 + -31.25x + x2 = 242.890625 Factor a perfect square on the left side: (x + -15.625)(x + -15.625) = 242.890625 Calculate the square root of the right side: 15.584948669 Break this problem into two subproblems by setting (x + -15.625) equal to 15.584948669 and -15.584948669.Subproblem 1
x + -15.625 = 15.584948669 Simplifying x + -15.625 = 15.584948669 Reorder the terms: -15.625 + x = 15.584948669 Solving -15.625 + x = 15.584948669 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '15.625' to each side of the equation. -15.625 + 15.625 + x = 15.584948669 + 15.625 Combine like terms: -15.625 + 15.625 = 0.000 0.000 + x = 15.584948669 + 15.625 x = 15.584948669 + 15.625 Combine like terms: 15.584948669 + 15.625 = 31.209948669 x = 31.209948669 Simplifying x = 31.209948669Subproblem 2
x + -15.625 = -15.584948669 Simplifying x + -15.625 = -15.584948669 Reorder the terms: -15.625 + x = -15.584948669 Solving -15.625 + x = -15.584948669 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '15.625' to each side of the equation. -15.625 + 15.625 + x = -15.584948669 + 15.625 Combine like terms: -15.625 + 15.625 = 0.000 0.000 + x = -15.584948669 + 15.625 x = -15.584948669 + 15.625 Combine like terms: -15.584948669 + 15.625 = 0.040051331 x = 0.040051331 Simplifying x = 0.040051331Solution
The solution to the problem is based on the solutions from the subproblems. x = {31.209948669, 0.040051331}
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